Improvement in steam pumping-engines



nited tstw THOMAS BLUM, or BuooKFIEtD, onto..

Letters Patent No. 106,312, dated August 16, 1870.

IMPROVEMENT IN STEAM PUMPINGTENGINES.

The Schedule referred to in these Letters Patent and making part of the same To all whom it may concern Be it known that I, THOMAS E. BLUNTLof Brookfield, in the county of Trumbuli and State of Ohio, have invented a new and useful Improvement in Steam Pumping-Engines; and `I do hereby decime that the following is a full, clear, and exact description thereof, which will enable others skilled in the art to make and use the same,'1efe1ence being had to the accompanying drawing forming part of this specification.

My invention relates to steam-pumps for mines, and consists in the improved method of collveying the steam of the engine t0, and condensing it in, the water-discharge pipe.

I will now describe the means which I preferably employ to carry out my invention.

1n the accompanying drawing- Figure l represents a side elevation of the pumpf ing-engine.

Figure 2 is a top or plan View.

i Similar letters of reference indicate correspoluling parts.

A is the steam-cylinder.

B is the pumping-cylinder.

C is the exhaust-steam pipe of Vthe engine.

D is the suction-pipe of the pump.

The .novelty consists in disposing of the exhaust steam by exhausting it into the suction or feed-pipe ofthe pump.

The steam is condensed in the operation.

When it is desiredvto exhaust the steam in the ordinary manner, or as usual with high-pressure engines, the stop-cock F is closed and the cock G is opened, when the steam willexhaust through the pipe HL v I is a stop-cock in the suction-pipe, to close the pipe when the pump is not in use.

Having thus described my invention,

I claim as new and desire to secure byv'Lett-ers Patent- In steam-pumps for mines. the method of discharging the exhaust-steam into the water-discharge pipe, as set forth.

THOMAS E. BLU-NT.

Witnesses:

EDWARD SPEAK, R. A. BALDWIN. 

